yxy/app/admin/event.php

<?php
// 事件定义文件
return [
    'bind'      => [
    ],
    'listen'    => [
        'AppInit'     => [],
        'HttpRun'     => [],
        'HttpEnd'     => [],
        'LogLevel'    => [],
        'LogWrite'    => [],
        'backendInit' => [app\common\event\Security::class],
    ],
    'subscribe' => [
    ],
];